Structure "reader" in sub-features

src/features/reader/settings/layout/components/ReaderSettingStretchPage.tsx

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import { useTranslation } from 'react-i18next';
+import Button from '@mui/material/Button';
+import Box from '@mui/material/Box';
+import { IReaderSettings } from '@/features/reader/Reader.types.ts';
+import { READER_PAGE_SCALE_MODE_TO_SCALING_ALLOWED } from '@/features/reader/settings/ReaderSettings.constants.tsx';
+
+export const ReaderSettingStretchPage = ({
+    pageScaleMode,
+    shouldStretchPage,
+    setShouldStretchPage,
+}: Pick<IReaderSettings, 'pageScaleMode' | 'shouldStretchPage'> & {
+    setShouldStretchPage: (mode: IReaderSettings['shouldStretchPage']) => void;
+}) => {
+    const { t } = useTranslation();
+
+    if (!READER_PAGE_SCALE_MODE_TO_SCALING_ALLOWED[pageScaleMode]) {
+        return null;
+    }
+
+    return (
+        <Box>
+            <Button
+                onClick={() => setShouldStretchPage(!shouldStretchPage)}
+                variant={shouldStretchPage ? 'contained' : 'outlined'}
+            >
+                {t('reader.settings.page_scale.stretch')}
+            </Button>
+        </Box>
+    );
+};